Rosa's boys are resisting their new stepfather, while Oly and Santi find a new connection and Dom thinks about next steps.

An “intimacy in the workplace” discussion leads Joyce to discover she’s out of the loop on office gossip. Alex gets self-conscious about her sex life. Bruce tries to fight a new policy about dating co-workers.

Mark takes on odd jobs, determined to find a way to pay for school; Darlene grapples with her emotions when she discovers her household is about to change dramatically.

A rumour of Moira's death surfaces online; Roland asks Johnny to be Godfather to his child.

David and Patrick throw an open mic night at Rose Apothecary while Johnny and Stevie begin re-branding the motel.

The ladies struggle with love on Valentine's Day.

Jill trades barbs with a worthy opponent.

Jill struggles to make sense of a messy new relationship.

In hopes of having a baby, Mike & Molly try to eat healthier.

Mike takes an unexpected "trip" on Molly's birthday.

Mike starts construction on the basement.

When Leonard and Penny fight, Sheldon plays the unlikely peacemaker. Meanwhile, Howard and Raj try to fix a squeaky floorboard in the baby's room

While Raj gets dating advice from his ex-girlfriends, Sheldon gets help reading people's feelings when he beta tests an emotion-detection invention.

Leonard and Howard try to distract Sheldon by giving him tickets to a historic railway, while Penny and Amy take Bernadette out for the night, leaving Raj and Stuart with the baby.

At the beach, Phoebe meets a family friend with links to her past; Ross discovers Rachel still loves him; strip poker leaves Joey naked; Chandler wonders why Monica doesn't think he's serious when he asks her out.

Ross chooses between Rachel and his girlfriend Bonnie. Phoebe struggles with the revelation of her mother's friend being her real mother. Monica gets stung by a jellyfish, forcing Chandler and Joey to relieve her pain.

Phoebe believes her adoptive mother's spirit resides in a cat that jumped into her guitar case in Central Perk. Monica goes on a date with Rachel's hunky high-school boyfriend and Joey takes stupidity to a new level.

Monica caters a party for her mother who still doesn't know how to talk to her daughter. Chandler's encounter with Rachel's boss leads to an embarrassing situation and an encyclopaedia salesman takes advantage of Joey.

Jill trades barbs with a worthy opponent.

Jill struggles to make sense of a messy new relationship.

In hopes of having a baby, Mike & Molly try to eat healthier.

Mike takes an unexpected "trip" on Molly's birthday.

Mike starts construction on the basement.

When Leonard and Penny fight, Sheldon plays the unlikely peacemaker. Meanwhile, Howard and Raj try to fix a squeaky floorboard in the baby's room

While Raj gets dating advice from his ex-girlfriends, Sheldon gets help reading people's feelings when he beta tests an emotion-detection invention.

Leonard and Howard try to distract Sheldon by giving him tickets to a historic railway, while Penny and Amy take Bernadette out for the night, leaving Raj and Stuart with the baby.

At the beach, Phoebe meets a family friend with links to her past; Ross discovers Rachel still loves him; strip poker leaves Joey naked; Chandler wonders why Monica doesn't think he's serious when he asks her out.

Ross chooses between Rachel and his girlfriend Bonnie. Phoebe struggles with the revelation of her mother's friend being her real mother. Monica gets stung by a jellyfish, forcing Chandler and Joey to relieve her pain.

Phoebe believes her adoptive mother's spirit resides in a cat that jumped into her guitar case in Central Perk. Monica goes on a date with Rachel's hunky high-school boyfriend and Joey takes stupidity to a new level.

Monica caters a party for her mother who still doesn't know how to talk to her daughter. Chandler's encounter with Rachel's boss leads to an embarrassing situation and an encyclopaedia salesman takes advantage of Joey.

Tammy pays a visit to the steakhouse she once robbed.

Bonnie struggles with her self-worth after Tammy's success.

Bonnie & Tammy's friendship is tested by a big project.

Harry takes Victoria on a Valentine's Day date.

A worried Mike visits a fertility clinic.

Molly enjoys some retail therapy and goes off on a shopping.

Amy is furious when she learns Sheldon has shared intimate details of their relationship with people at the university, prompting their first fight since moving in together.

When Raj is cut off from his father's fortune, he appoints Sheldon in charge of his finances to help him get out of debt. Meanwhile, Penny considers joining Leonard at Comic-Con.

When Raj moves out of his apartment, Leonard and Penny offer him Sheldon's old room. Christine Baranski returns as Leonard's mother, Beverly.

Joey attempts ballroom dancing in order to help Monica and Rachel keep their illegal sublet. Phoebe is attracted to one of her massage clients and Chandler has trouble attempting to quit a gym.

Chandler hits on a woman at Central Perk, not realising she's Joey's new girlfriend. Ross and Rachel play the jealousy game in their relationships & Phoebe tries to catch a cold to make her voice and singing more sexy.

Ross's new girlfriend seems nearly perfect, until he discovers her apartment is incredibly dirty. Chandler helps Joey pick out a thoughtful present for Kathy's birthday whilst Phoebe helps Monica cater a funeral.

Chandler must decide between the girl of his dreams and his best friend when he and Kathy share a kiss. Needless to say Joey is not happy to find out and nobody wants to tell Ross how awful his keyboard playing is.

Whitney and Cara become closer. Dougie senses opportunity when Asher’s past comes to light.

As the Roses plan a family barbecue, David is forced to test the limits of his comfort level with Patrick, while Alexis investigates a mysterious text from Ted.

Johnny joins the Jazzagals while David and Stevie take off on a "romantic" getaway.

Bowie is babysitting and Vince is in crisis, while Santi and Oly head to the school parents' fundraiser.

Harry takes Victoria on a Valentine's Day date.

A worried Mike visits a fertility clinic.